2G
What does 2G stand for?
Second Generation mobile network.
What does 3G mean in mobile network technology?
Third Generation Mobile Networks
What does 4G stand for?
Fourth Generation mobile network.
What does 5G stand for?
Fifth Generation Mobile Networks
In which decade was 2G introduced?
The 1990's
What major improvement did 3G bring to mobile phones?
Mobile internet access with faster data speeds.
What was the main advantage of 4G over 3G?
Much faster internet speeds.
What are the three main advantages of 5G networks?
Very fast speeds, low latency (less delay), and ability to connect many devices.
What major communication feature did 2G introduce besides voice calls?
SMS messaging
Name two services that became possible with 3G.
Video calls and web browsing (also email and downloading music).
Name two activities that became easier with 4G.
Streaming videos and playing online games (also social media and downloading apps).
Name two technologies or industries that benefit from 5G.
Self-driving cars, smart cities, smart homes, virtual reality, and healthcare technologies.
How did 2G improve call quality compared to earlier systems?
It used digital signals instead of analog, which made calls clearer and more secure.
Around what time period was 3G introduced?
Early 2000's
Around what year or decade was 4G widely introduced?
Early 2010's
Why is low latency important in 5G
Because it allows real-time communication with almost no delay, which is important for things like gaming, remote surgery, and autonomous vehicles.
What was one limitation of 2G mobile networks?
Very slow internet speeds
Why did 3G make smartphones more useful?
Because users could access the internet, send emails, and use online services from their phones.
What technology improved voice calls on 4G networks?
VoLTE (Voice over LTE).
How does 5G support many connected devices at once?
It uses advanced network technology that can handle a very large number of devices in the same area.